Hydraulic press machines are classified according to the types of liquids that transmit pressure. There are two categories: forging presses and hydraulic presses. The total pressure generated by hydraulic presses is relatively large and is often used for forging and stamping; hydraulic presses use liquid as a working medium to transfer energy to achieve various In addition to forging and forming, the machine of this kind of technology can also be used for straightening, pressing, packing, briquetting and pressing.

Only by knowing the energy-saving principle of hydraulic machines can energy-saving work be carried out. First, the hydraulic machine uses a fixed pump to supply oil, and the excess oil is returned to the tank through a proportional valve. The oil supply and motor speed are the same in this process, but the requirements for speed and pressure are different. There is at least a lot of waste in actual operation. Using frequency conversion and energy saving means, by observing the proportional pressure and flow signals of the CNC system, the flow adjustment required by each work process of the hydraulic press can be adjusted to meet the needs of the system. When the motor is not operating, the motor speed is reduced. , Improve energy-saving space.

Since the output power of the hydraulic press machine system varies greatly, the flow and pressure requirements are different during different processes. It is necessary to rely on the flow valve and the pressure valve to adjust the required flow and pressure, but the quantitative pump has no adjustment function, and the oil temperature rises. At high times, energy is wasted, and at the same time, it also increases the wear of various valves, high oil temperature and high noise, which will shorten the overall use time of the four column hydraulic press machine.

The design capacity of the hydraulic press machine motor is higher than actual, which also causes a waste of electricity. Therefore, GoodsJack Hydraulic Press Machine uses frequency conversion energy-saving motors to improve the design to reduce waste, protect the motor and prolong the service life of the hydraulic press machine.

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